This is the 7919th most frequent Japanese word.
堅気
"堅気" means "upright," "honest," or "respectable," often referring to a person leading an ordinary, lawful life.
In this sentence, '堅気' is used to mean someone who is involved in an honest and respectable line of work, often contrasting with criminal activities.
彼は堅気な職業に就いている。
He has a respectable profession.
Here, '堅気' describes the character trait of being sincere or upright, emphasizing moral and ethical qualities.
堅気な性格の人は信頼されやすい。
People with a sincere character are easier to trust.
In this context, '堅気' characterizes the nature of the household as respectable, upright, and adhering to conventional societal norms.